--- sys/arch/macppc/dev/abtn.c-ooo	Tue Jul 13 02:48:26 1999
+++ sys/arch/macppc/dev/abtn.c	Sun Apr  8 05:26:01 2001
@@ -104,20 +104,23 @@
 	u_int cmd;
 
 	cmd = buffer[1];
+	printf("abtn0: cmd(%02x)\n",cmd);
 
 	switch (cmd) {
 	case 0x0a:
 		sc->brightness -= 8;
 		if (sc->brightness < 8)
 			sc->brightness = 8;
+		printf("abtn0: brightness(%02x)\n",sc->brightness);
 		pm_set_brightness(sc->brightness);
 		pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness);
 		break;
 
 	case 0x09:
 		sc->brightness += 8;
-		if (sc->brightness > 0x78)
-			sc->brightness = 0x78;
+		if (sc->brightness > 0x6d)
+			sc->brightness = 0x6d;
+		printf("abtn0: brightness(%02x)\n",sc->brightness);
 		pm_set_brightness(sc->brightness);
 		pm_write_nvram(NVRAM_BRIGHTNESS, sc->brightness);
 		break;